Mexican fire opal and Polyhalite Physical Properties

Mexican fire opal and Polyhalite Chemical Formula

While comparing Mexican fire opal and Polyhalite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Mexican fire opal and Polyhalite chemical formula.

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Mexican fire opal and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 2.78 whereas that of Polyhalite is 2.78.